This is the system by which Prof. Carroll was able to "cure the most vicious horses of the habit of balking or kicking; also the habits of shying, running away, pulling at the halter, jumping fences or pitching under the saddle. It will enable anyone to ride any horse or mule without saddle or bridle with perfect safety; also to drive without bridle or lines."
Here's just a taste of what else you'll find inside:
Bonus to the "Horse Training Secrets Revealed"